Jackson Weather Forecast

    • 62
    • 68

    Rain Showers

    • 58
    • 68

    Rain Showers Likely

    • 47
    • 61

    Slight Chance Rain Showers

    • 49
    • 62

    Mostly Sunny

    • 51
    • 64

    Partly Sunny

    • 46
    • 60

    Partly Sunny

Today 29 Sep Dakota

Showers with a slight chance of Thunderstorms in the Morning, then Showers likely in the afternoon. Highs in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 29 Sep Dakota

Cloudy with a 50 percent chance of Showers. Humid with Lows in the lower 60s. South Winds 5 to 10 Mph.

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Jackson Temperature Statistics

September Temperature

Sioux City, Sioux Gateway Airport (9.3 miles)

  • Lowest 10 September, 2026

    50.6 °F

  • Average September

    69.8 °F

  • Highest 18 September, 2026

    96.7 °F

Climate (2021–2026)

Sioux City, Sioux Gateway Airport (9.3 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    63.4 °F
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